142 



K. JIITSUKUIU : STUDIES OX 



Description :— Tentacles 20. Ainbulucnil appendages (" eiii- 

 faelie Saugfiissclien ") scattered over the entire body, on the sides 

 often nuich more numerous than on the ventrum or dorsum ; 

 only the appendages of the dorsum possess, besides terminal 

 plates, supporting rods which are spinous and tajx^ring toward the 

 ends (Selenka). Dorsal appendages of two kinds, pedicels and 

 l)apilla3 (Thkel). Calcareous deposits : tables small, 0.03 mm. 

 liigh and 0.05 mm. broad. The erowai of the spire with 8 (—10) 

 teeth around the nearly circular aperture. The buttons smooth, 

 0.048 mm. long and half as broad, of the usual shape with six 



